(1) (r + 4) (+2) (ii) (4a --5) (5a + 6)
(iii) (6 + 6) (X - 5) (iv) (7x? - Sy) (x - 3y)
Write down the squares of the following
expressions
(5x + 3y + z) ^2
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Answer:
5x square + 3y square + z square
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